Upgrade your Mustang's performance with the ProForm 66911 Aluminum Roller Rocker Arms, meticulously crafted to elevate your driving experience. Specifically designed for 289/302/351W engines from 1979 to 1995, these rocker arms boast a 3/8" stud and an optimal 1.6 ratio, making them a precision-engineered enhancement for your beloved pony.
Premium design. Constructed from high-quality aluminum, these roller rocker arms are not just an upgrade but a performance revolution. The lightweight yet durable design reduces overall valvetrain mass, resulting in less inertia and enhanced valve control. This translates to increased horsepower, torque, and improved throttle response - all vital factors for unleashing the true potential of your Mustang.
Reduced friction. The roller tip feature ensures reduced friction and wear on the valve stems, promoting longevity and reliability. This means you can hit the road with confidence, knowing that your engine components are well-protected for the long haul.
Easy installation. Installation is a breeze with the 3/8" stud, ensuring a secure fit that withstands the demands of high-performance driving. With the 1.6 ratio, these rocker arms deliver precise valve lift, optimizing airflow for improved combustion efficiency. This not only enhances power output but also contributes to better fuel economy.
- Reduced friction
- Aluminum construction
- Reduced flex
- More accurate ratio
- Fits 1968-1995 small block 289, 302, 351W with rail type rockers
- Fits 3/8-inch studs with 1.6:1 ratio
- 1.5" max. spring diameter
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